Climate Overview
The climate in Chelem is hot. The average annual temperature is 27°C and approximately 589mm of precipitation falls per year. June is the wettest month, receiving around 117mm of rainfall. Chelem is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, July, April. The coldest months are January, February, December, when temperatures can drop to 21°C.
Temperature
Chelem sees moderate temperature variation throughout the year, ranging from 21°C to 32°C. The warmest month is May, when average highs reach 32°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 21°C and an average of 23°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows.
Precipitation
Chelem is a relatively dry area, receiving approximately 589mm of precipitation annually, which averages out to around 49mm per month. The wettest month is June, averaging 117mm of rainfall. September and October also tend to see above-average precipitation. The driest month is April, with just 11mm. That's 107mm less than June, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Chelem is mildly breezy, with an average annual wind speed of 19km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 23km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in September, with average winds dropping to 16km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 7km/h gap between the calmest and windiest months.
Seasons
88 days until Summer
It is currently spring in Chelem, which began on March 20, 2026. Chelem is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in May at around 32°C, while the coldest stretch bottoms out in January near 21°C. Summer is next, beginning on June 21, 2026 — 88 days from now.
Spring
Temperatures range from 23 to 32°C. Rainfall is relatively light, with around 54mm over the season and a monthly average of 18mm. Winds are moderate at around 22km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 26 to 32°C. Precipitation is moderate at around 257mm for the season, averaging 86mm per month. Winds are moderate at around 18km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 23 to 31°C. Precipitation is moderate at around 225mm for the season, averaging 75mm per month. Winds are moderate at around 17km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 21 to 28°C. Rainfall is relatively light, with around 53mm over the season and a monthly average of 18mm. Winds are moderate at around 20km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Chelem is during January, February and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 18mm per month. By contrast, May can be uncomfortably hot with temperatures reaching 32°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Chelem based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.